Detroit residents and out-of-towers congregated in the city of Detroit to enjoy the Grand Prix and bid farewell to GM's tenure at the RenCen.

The Chevrolet Detroit Grand Prix returned to the city’s downtown streets for its third year, following a stint on Belle Isle, attracting thousands of race car fans who filled grandstands and rooftop viewing decks. The three-day event culminated in a 100-lap IndyCar Series race Sunday afternoon.

When you see just how fast the race cars navigate the same pavement (180 mph on Jefferson Ave, to be precise) motorsports become real. Tangible. It shows you exactly how fast the planet’s best drivers,